players.c
changeset 0 29654efe3188
child 1 0ea1e0a5c4df
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/players.c	Mon Aug 09 17:04:08 2004 +0000
@@ -0,0 +1,825 @@
+#include "stdafx.h"
+#include "ttd.h"
+#include "player.h"
+#include "town.h"
+#include "vehicle.h"
+#include "station.h"
+#include "gfx.h"
+#include "news.h"
+#include "saveload.h"
+#include "command.h"
+
+extern void StartupEconomy();
+
+static const SpriteID cheeks_table[4] = {
+	0x325, 0x326, 
+	0x390, 0x3B0,
+};
+
+static const SpriteID mouth_table[3] = {
+	0x34C, 0x34D, 0x34F
+};
+
+void DrawPlayerFace(uint32 face, int color, int x, int y)
+{
+	byte flag = 0;
+
+	if ( (int32)face < 0)
+		flag |= 1;
+	if ((((((face >> 7) ^ face) >> 7) ^ face) & 0x8080000) == 0x8000000)
+		flag |= 2;
+
+	/* draw the gradient */
+	DrawSprite( (color<<16) + 0x0307836A, x, y);
+
+	/* draw the cheeks */
+	DrawSprite(cheeks_table[flag&3], x, y);
+
+	/* draw the chin */
+	/* FIXME: real code uses -2 in zoomlevel 1 */
+	{
+		uint val = (face >> 4) & 3;
+		if (!(flag & 2)) {
+			DrawSprite(0x327 + (flag&1?0:val), x, y);
+		} else {
+			DrawSprite((flag&1?0x3B1:0x391) + (val>>1), x, y);
+		}
+	}
+	/* draw the eyes */
+	{
+		uint val1 = (face >> 6)&15;
+		uint val2 = (face >> 20)&7;
+		uint32 high = 0x314<<16;
+
+		if (val2 >= 6) {
+			high = 0x30F<<16;
+			if (val2 != 6)
+				high = 0x30D<<16;
+		}
+
+		if (!(flag & 2)) {
+			if (!(flag & 1)) {
+				DrawSprite(high+((val1 * 12 >> 4) + 0x832B), x, y); 			
+			} else {
+				DrawSprite(high+(val1 + 0x8337), x, y);
+			}	
+		} else {
+			if (!(flag & 1)) {
+				DrawSprite(high+((val1 * 11 >> 4) + 0x839A), x, y);
+			} else {
+				DrawSprite(high+(val1 + 0x83B8), x, y);
+			}
+		}
+	}
+
+	/* draw the mouth */
+	{
+		uint val = (face >> 10) & 63;
+		uint val2;
+
+		if (!(flag&1)) {
+			val2 = ((val&0xF) * 15 >> 4);
+			
+			if (val2 < 3) {
+				DrawSprite((flag&2 ? 0x397 : 0x367) + val2, x, y);
+				/* skip the rest */
+				goto skip_mouth;				
+			}
+
+			val2 -= 3;
+			if (flag & 2) {
+				if (val2 > 8) val2 = 0;
+				val2 += 0x3A5 - 0x35B;
+			}
+			DrawSprite(val2 + 0x35B, x, y);
+		} else if (!(flag&2)) {
+			DrawSprite(((val&0xF) * 10 >> 4) + 0x351, x, y);
+		} else {
+			DrawSprite(((val&0xF) * 9 >> 4) + 0x3C8, x, y);
+		}
+
+		val >>= 3;
+
+		if (!(flag&2)) {
+			if (!(flag&1)) {
+				DrawSprite(0x349 + val, x, y);
+			} else {
+				DrawSprite( mouth_table[(val*3>>3)], x, y);
+			}
+		} else {
+			if (!(flag&1)) {
+				DrawSprite(0x393 + (val&3), x, y);
+			} else {
+				DrawSprite(0x3B3 + (val*5>>3), x, y);
+			}
+		}
+
+		skip_mouth:;
+	}
+
+
+	/* draw the hair */
+	{
+		uint val = (face >> 16) & 15;
+		if (!(flag&2)) {
+			if (!(flag&1)) {
+				DrawSprite(0x382 + (val*9>>4), x, y);
+			} else {
+				DrawSprite(0x38B + (val*5>>4), x, y);
+			}
+		} else {
+			if (!(flag&1)) {
+				DrawSprite(0x3D4 + (val*5>>4), x, y);
+			} else {
+				DrawSprite(0x3D9 + (val*5>>4), x, y);
+			}
+		}
+	}
+
+	/* draw the tie */
+	{
+		uint val = (face >> 20) & 0xFF;
+
+		if (!(flag&1)) {
+			DrawSprite(0x36B + ((val&3)*3>>2), x, y);
+			DrawSprite(0x36E + ((val>>2)&3), x, y);
+			DrawSprite(0x372 + ((val>>4)*6>>4), x, y);
+		} else {
+			DrawSprite(0x378 + ((val&3)*3>>2), x, y);
+			DrawSprite(0x37B + ((val>>2)&3), x, y);
+			
+			val >>= 4;
+			if (val < 3) {
+				DrawSprite((flag&2 ? 0x3D1 : 0x37F) + val, x, y);
+			}
+		}
+	}
+
+	/* draw the glasses */
+	{
+		uint val = (face >> 28) & 7;
+
+		if (!(flag&2)) {
+			if (val<=1) {
+				DrawSprite(0x347 + val, x, y);
+			}
+		} else {
+			if (val<=1) {
+				DrawSprite(0x3AE + val, x, y);
+			}
+		}
+	}
+}
+
+void InvalidatePlayerWindows(Player *p)
+{
+	uint pid = p->index;
+	if ( (byte)pid == _local_player)
+		InvalidateWindow(WC_STATUS_BAR, 0);
+
+	InvalidateWindow(WC_FINANCES, pid);
+}
+
+bool CheckPlayerHasMoney(int32 cost)
+{
+	if (cost > 0) {
+		uint pid = _current_player;
+		if (pid < MAX_PLAYERS && cost > DEREF_PLAYER(pid)->player_money) {
+			SET_DPARAM32(0, cost);
+			_error_message = STR_0003_NOT_ENOUGH_CASH_REQUIRES;
+			return false;
+		}
+	}
+	return true;
+}
+
+static void SubtractMoneyFromAnyPlayer(Player *p, int32 cost)
+{
+	p->money64 -= cost;
+	UpdatePlayerMoney32(p);
+	
+	p->yearly_expenses[0][_yearly_expenses_type] += cost;
+
+	if ( ( 1 << _yearly_expenses_type ) & (1<<7|1<<8|1<<9|1<<10))
+		p->cur_economy.income -= cost;
+	else if (( 1 << _yearly_expenses_type ) & (1<<2|1<<3|1<<4|1<<5|1<<6|1<<11))
+		p->cur_economy.expenses -= cost;
+		
+	InvalidatePlayerWindows(p);
+}
+
+void SubtractMoneyFromPlayer(int32 cost)
+{
+	uint pid = _current_player;
+	if (pid < MAX_PLAYERS)
+		SubtractMoneyFromAnyPlayer(DEREF_PLAYER(pid), cost);
+}
+
+void SubtractMoneyFromPlayerFract(byte player, int32 cost)
+{
+	Player *p = DEREF_PLAYER(player);
+	byte m = p->player_money_fraction;
+	p->player_money_fraction = m - (byte)cost;
+	cost >>= 8;
+	if (p->player_money_fraction > m)
+		cost++;
+	if (cost != 0)
+		SubtractMoneyFromAnyPlayer(p, cost);
+}
+
+// the player_money field is kept as it is, but money64 contains the actual amount of money.
+void UpdatePlayerMoney32(Player *p)
+{
+	if (p->money64 < -2000000000)
+		p->player_money = -2000000000;
+	else if (p->money64 > 2000000000)
+		p->player_money = 2000000000;
+	else
+		p->player_money = (int32)p->money64; 
+}
+
+void GetNameOfOwner(byte owner, uint tile)
+{
+	SET_DPARAM8(2, owner);
+		
+	if (owner != OWNER_TOWN) {
+		if (owner >= 8)
+			SET_DPARAM16(0, STR_0150_SOMEONE);
+		else {
+			Player *p = DEREF_PLAYER(owner);
+			SET_DPARAM16(0, p->name_1);
+			SET_DPARAM32(1, p->name_2);
+		}
+	} else {
+		Town *t = ClosestTownFromTile(tile, (uint)-1);
+		SET_DPARAM16(0, t->townnametype);
+		SET_DPARAM32(1, t->townnameparts);
+	}
+}
+
+
+bool CheckOwnership(byte owner)
+{
+	assert(owner <= OWNER_WATER);
+
+	if (owner == _current_player)
+		return true;
+	_error_message = STR_013B_OWNED_BY;
+	GetNameOfOwner(owner, 0);
+	return false;
+}
+
+bool CheckTileOwnership(uint tile)
+{
+	byte owner = _map_owner[tile];
+	assert(owner <= OWNER_WATER);
+	if (owner == _current_player) 
+		return true;
+	_error_message = STR_013B_OWNED_BY;
+	
+	// no need to get the name of the owner unless we're the local player (saves some time)
+	if (_current_player == _local_player)
+		GetNameOfOwner(owner, tile);
+	return false;
+}
+
+static void GenerateCompanyName(Player *p)
+{
+	uint tile;
+	Town *t;
+	StringID str;
+	Player *pp;
+	uint32 strp;
+	char buffer[100];
+
+	if (p->name_1 != STR_SV_UNNAMED)
+		return;
+
+	tile = p->last_build_coordinate;
+	if (tile == 0)
+		return;
+
+	t = ClosestTownFromTile(tile, (uint)-1);
+
+	if (IS_INT_INSIDE(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST+1)) {
+		str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
+		strp = t->townnameparts;
+
+verify_name:;
+		// No player must have this name already
+		FOR_ALL_PLAYERS(pp) {
+			if (pp->name_1 == str && pp->name_2 == strp)
+				goto bad_town_name;
+		}
+
+		GetString(buffer, str);
+		if (strlen(buffer) >= 32 || GetStringWidth(buffer) >= 150)
+			goto bad_town_name;
+
+set_name:;
+		p->name_1 = str;
+		p->name_2 = strp;
+
+		MarkWholeScreenDirty();
+
+		if (!IS_HUMAN_PLAYER(p->index)) {
+			SET_DPARAM16(0, t->index);
+			AddNewsItem(p->index + (4 << 4), NEWS_FLAGS(NM_CALLBACK, NF_TILE, NT_COMPANY_INFO, DNC_BANKRUPCY), p->last_build_coordinate, 0);
+		}
+		return;
+	}
+bad_town_name:;
+	
+	if (p->president_name_1 == SPECSTR_PRESIDENT_NAME) {
+		str = SPECSTR_ANDCO_NAME;
+		strp = p->president_name_2;
+		goto set_name;	
+	} else {
+		str = SPECSTR_ANDCO_NAME;
+		strp = Random();
+		goto verify_name;
+	}
+}
+
+#define COLOR_SWAP(i,j) do { byte t=colors[i];colors[i]=colors[j];colors[j]=t; } while(0)
+
+static const byte _color_sort[16] = {2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 1, 1, 1};
+static const byte _color_similar_1[16] = {8, 6, 255, 12,  255, 0, 1, 1, 0, 13,  11,  10, 3,   9,  15, 14};
+static const byte _color_similar_2[16] = {5, 7, 255, 255, 255, 8, 7, 6, 5, 12, 255, 255, 9, 255, 255, 255};
+
+static byte GeneratePlayerColor()
+{
+	byte colors[16], pcolor, t2;
+	int i,j,n;
+	uint32 r;
+	Player *p;
+
+	// Initialize array
+	for(i=0; i!=16; i++)
+		colors[i] = i;
+
+	// And randomize it
+	n = 100;
+	do {
+		r = Random();
+		COLOR_SWAP(r & 0xF, (r >> 4) & 0xF);
+	} while (--n);
+
+	// Bubble sort it according to the values in table 1
+	i = 16;
+	do {
+		for(j=0; j!=15; j++) {
+			if (_color_sort[colors[j]] < _color_sort[colors[j+1]]) {
+				COLOR_SWAP(j,j+1);	
+			}
+		}
+	} while (--i);
+
+	// Move the colors that look similar to each player's color to the side
+	FOR_ALL_PLAYERS(p) if (p->is_active) {
+		pcolor = p->player_color;
+		for(i=0; i!=16; i++) if (colors[i] == pcolor) {
+			colors[i] = 0xFF;
+
+			t2 = _color_similar_1[pcolor]; 
+			if (t2 == 0xFF) break;
+			for(i=0; i!=15; i++) {
+				if (colors[i] == t2) {
+					do COLOR_SWAP(i,i+1); while (++i != 15);
+					break;
+				}
+			}
+
+			t2 = _color_similar_2[pcolor]; 
+			if (t2 == 0xFF) break;
+			for(i=0; i!=15; i++) {
+				if (colors[i] == t2) {
+					do COLOR_SWAP(i,i+1); while (++i != 15);
+					break;
+				}
+			}
+			break;
+		}
+	}
+
+	// Return the first available color
+	i = 0;
+	for(;;) {
+		if (colors[i] != 0xFF)
+			return colors[i];
+		i++;
+	}
+}
+
+static void GeneratePresidentName(Player *p)
+{
+	Player *pp;
+	char buffer[100], buffer2[40];
+
+	for(;;) {
+restart:;
+
+		p->president_name_2 = Random();
+		p->president_name_1 = SPECSTR_PRESIDENT_NAME;
+		
+		SET_DPARAM32(0, p->president_name_2);
+		GetString(buffer, p->president_name_1);
+		if (strlen(buffer) >= 32 || GetStringWidth(buffer) >= 94)
+			continue;
+
+		FOR_ALL_PLAYERS(pp) {
+			if (pp->is_active && p != pp) {
+				SET_DPARAM32(0, pp->president_name_2);
+				GetString(buffer2, pp->president_name_1);
+				if (str_eq(buffer2, buffer))
+					goto restart;
+			}
+		}
+		return;
+	}
+}
+
+extern int GetPlayerMaxRailtype(int p);
+
+static Player *AllocatePlayer()
+{
+	Player *p;
+	// Find a free slot
+	FOR_ALL_PLAYERS(p) {
+		if (!p->is_active) {
+			int i = p->index;
+			memset(p, 0, sizeof(Player));
+			p->index = i;
+			return p;
+		}
+	}
+	return NULL;
+}
+
+Player *DoStartupNewPlayer(bool is_ai)
+{
+	Player *p;
+	int index;
+
+	p = AllocatePlayer();
+	if (p == NULL) return NULL;
+		
+	index = p->index;
+
+	// Make a color
+	p->player_color = GeneratePlayerColor();
+	_player_colors[index] = p->player_color;
+	p->name_1 = STR_SV_UNNAMED;
+	p->is_active = true;
+	
+	p->money64 = p->player_money = p->current_loan = 100000;
+
+	p->is_ai = is_ai;
+	p->ai.state = 5; /* AIS_WANT_NEW_ROUTE */
+	p->share_owners[0] = p->share_owners[1] = p->share_owners[2] = p->share_owners[3] = 0xFF;
+
+	p->max_railtype = GetPlayerMaxRailtype(index);
+	p->inaugurated_year = _cur_year;
+	p->face = Random();
+
+	GeneratePresidentName(p);
+
+	InvalidateWindow(WC_GRAPH_LEGEND, 0);
+	InvalidateWindow(WC_TOOLBAR_MENU, 0);
+
+	return p;
+}
+
+void StartupPlayers()
+{
+	uint32 r;
+	
+	r = Random();
+	_next_competitor_start = (byte)r + _opt.diff.competitor_start_time * 6882 + 1;
+}
+
+static void MaybeStartNewPlayer()
+{
+	uint n;
+	Player *p;
+	
+	// count number of competitors
+	n = 0;
+	for(p=_players; p!=endof(_players); p++)
+		if (p->is_active && p->is_ai)
+			n++;
+
+	// when there's a lot of computers in game, the probability that a new one starts is lower
+	if (n < (uint)_opt.diff.max_no_competitors && n < RandomRange(_opt.diff.max_no_competitors))
+		DoStartupNewPlayer(true);
+	
+	_next_competitor_start = RandomRange(19980) + 11100;
+}
+
+void InitializePlayers()
+{
+	int i;
+	memset(_players, 0, sizeof(_players));
+	for(i = 0; i != MAX_PLAYERS; i++)
+		_players[i].index=i;
+	_cur_player_tick_index = 0;
+}
+
+void OnTick_Players()
+{
+	Player *p;
+
+	if (_game_mode == GM_EDITOR)
+		return;
+	
+	p = DEREF_PLAYER(_cur_player_tick_index);
+	_cur_player_tick_index = (_cur_player_tick_index + 1) % MAX_PLAYERS;
+	if (p->name_1 != 0) GenerateCompanyName(p);
+
+	if (_game_mode != GM_MENU && !--_next_competitor_start) {
+		MaybeStartNewPlayer();		
+	}
+}
+
+void RunOtherPlayersLoop()
+{
+	Player *p;
+
+	_is_ai_player = true;
+
+	FOR_ALL_PLAYERS(p) {
+		if (p->is_active) {
+			_current_player = p->index;
+			AiDoGameLoop(p);
+		}
+	}
+
+	_is_ai_player = false;
+// XXX: is this needed?
+	_current_player = 0;
+}
+
+StringID GetPlayerNameString(byte player)
+{
+	if (IS_HUMAN_PLAYER(player) && player < 2) // temporarily fixes the names in the list.
+		return STR_7002_PLAYER_1+player;
+	return STR_EMPTY;
+}
+
+extern void ShowPlayerFinances(int player);
+
+void PlayersYearlyLoop()
+{
+	Player *p;
+
+	// Copy statistics
+	FOR_ALL_PLAYERS(p) {
+		if (p->is_active) {
+			memmove(&p->yearly_expenses[1], &p->yearly_expenses[0], sizeof(p->yearly_expenses) - sizeof(p->yearly_expenses[0]));
+			memset(&p->yearly_expenses[0], 0, sizeof(p->yearly_expenses[0]));
+			InvalidateWindow(WC_FINANCES, p->index);
+		}
+	}
+
+	if (_patches.show_finances && _local_player != 0xff) {
+		ShowPlayerFinances(_local_player);
+		p = DEREF_PLAYER(_local_player);
+		if (p->num_valid_stat_ent > 5 && p->old_economy[0].performance_history < p->old_economy[4].performance_history) {
+			SndPlayFx(0x28);
+		} else {
+			SndPlayFx(0x27);
+		}
+	}
+}
+
+void DeletePlayerWindows(int pi)
+{
+	DeleteWindowById(WC_COMPANY, pi);
+	DeleteWindowById(WC_FINANCES, pi);
+	DeleteWindowById(WC_STATION_LIST, pi);
+	DeleteWindowById(WC_TRAINS_LIST, pi);
+	DeleteWindowById(WC_ROADVEH_LIST, pi);
+	DeleteWindowById(WC_SHIPS_LIST, pi);
+	DeleteWindowById(WC_AIRCRAFT_LIST, pi);
+	DeleteWindowById(WC_BUY_COMPANY, pi);
+}
+
+static void DeletePlayerStuff(int pi)
+{
+	Player *p;
+
+	DeletePlayerWindows(pi);
+	p = DEREF_PLAYER(pi);
+	DeleteName(p->name_1);
+	DeleteName(p->president_name_1);
+	p->name_1 = 0;
+	p->president_name_1 = 0;
+}
+
+// functionality.
+// 0 - make new player
+// 1 - make new AI player
+// 2 - delete player (p1 >> 8) & 0xFF
+// 3 - join player (p1 >> 8) & 0xFF with (p1 >> 16) & 0xFF
+int32 CmdPlayerCtrl(int x, int y, uint32 flags, uint32 p1, uint32 p2)
+{
+	int pi;
+	Player *p;
+
+	if (!(flags & DC_EXEC))
+		return 0;
+	
+	switch(p1 & 0xff) {
+	case 0: // make new player
+		p = DoStartupNewPlayer(false);
+		if (_local_player == 0xff && p != NULL) {
+			_local_player = p->index;
+			MarkWholeScreenDirty();
+		}
+		break;
+	case 1: // make new ai player
+		DoStartupNewPlayer(true);
+		break;
+	case 2: // delete player
+		pi = (byte)(p1 >> 8);
+		ChangeOwnershipOfPlayerItems(pi, 255);
+		DeletePlayerStuff(pi);
+		break;
+
+	case 3: // join player
+		pi = (byte)(p1 >> 8);
+		ChangeOwnershipOfPlayerItems(pi, (byte)(p1 >> 16));
+		DeletePlayerStuff(pi);
+		break;
+	}
+
+
+	return 0;
+}
+
+// Save/load of players
+static const byte _player_desc[] = {
+	SLE_VAR(Player,name_2,					SLE_UINT32),
+	SLE_VAR(Player,name_1,					SLE_STRINGID),
+
+	SLE_VAR(Player,president_name_1,SLE_UINT16),
+	SLE_VAR(Player,president_name_2,SLE_UINT32),
+
+	SLE_VAR(Player,face,						SLE_UINT32),
+	
+	// money was changed to a 64 bit field in savegame version 1.
+	SLE_CONDVAR(Player,money64,			SLE_VAR_I64 | SLE_FILE_I32, 0, 0),
+	SLE_CONDVAR(Player,money64,			SLE_INT64, 1, 255),
+
+	SLE_VAR(Player,current_loan,		SLE_INT32),
+
+	SLE_VAR(Player,player_color,		SLE_UINT8),
+	SLE_VAR(Player,player_money_fraction,SLE_UINT8),
+	SLE_VAR(Player,max_railtype,		SLE_UINT8),
+	SLE_VAR(Player,block_preview,		SLE_UINT8),
+
+	SLE_VAR(Player,cargo_types,			SLE_UINT16),
+	SLE_VAR(Player,location_of_house,SLE_UINT16),
+	SLE_VAR(Player,last_build_coordinate,SLE_UINT16),
+	SLE_VAR(Player,inaugurated_year,SLE_UINT8),
+
+	SLE_ARR(Player,share_owners,		SLE_UINT8, 4),
+
+	SLE_VAR(Player,num_valid_stat_ent,SLE_UINT8),
+
+	SLE_VAR(Player,quarters_of_bankrupcy,SLE_UINT8),
+	SLE_VAR(Player,bankrupt_asked,	SLE_UINT8),
+	SLE_VAR(Player,bankrupt_timeout,SLE_INT16),
+	SLE_VAR(Player,bankrupt_value,	SLE_INT32),
+
+	// yearly expenses was changed to 64-bit in savegame version 2.
+	SLE_CONDARR(Player,yearly_expenses,	SLE_FILE_I32|SLE_VAR_I64, 3*13, 0, 1),
+	SLE_CONDARR(Player,yearly_expenses,	SLE_INT64, 3*13, 2, 255),
+
+	SLE_CONDVAR(Player,is_ai,			SLE_UINT8, 2, 255),
+	SLE_CONDVAR(Player,is_active,	SLE_UINT8, 4, 255),
+
+	// reserve extra space in savegame here. (currently 64 bytes)
+	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 8, 2, 255),
+
+	SLE_END()
+};
+
+static const byte _player_economy_desc[] = {
+	// these were changed to 64-bit in savegame format 2
+	SLE_CONDVAR(PlayerEconomyEntry,income,							SLE_INT32, 0, 1),
+	SLE_CONDVAR(PlayerEconomyEntry,expenses,						SLE_INT32, 0, 1),
+	SLE_CONDVAR(PlayerEconomyEntry,company_value,				SLE_INT32, 0, 1),
+	SLE_CONDVAR(PlayerEconomyEntry,income,	SLE_FILE_I64 | SLE_VAR_I32, 2, 255),
+	SLE_CONDVAR(PlayerEconomyEntry,expenses,SLE_FILE_I64 | SLE_VAR_I32, 2, 255),
+	SLE_CONDVAR(PlayerEconomyEntry,company_value,SLE_FILE_I64 | SLE_VAR_I32, 2, 255),
+
+	SLE_VAR(PlayerEconomyEntry,delivered_cargo,			SLE_INT32),
+	SLE_VAR(PlayerEconomyEntry,performance_history,	SLE_INT32),
+	
+	SLE_END()
+};
+
+static const byte _player_ai_desc[] = {
+	SLE_VAR(PlayerAI,state,							SLE_UINT8),
+	SLE_VAR(PlayerAI,tick,							SLE_UINT8),
+	SLE_VAR(PlayerAI,state_counter,			SLE_UINT16),
+	SLE_VAR(PlayerAI,timeout_counter,		SLE_UINT16),
+
+	SLE_VAR(PlayerAI,state_mode,				SLE_UINT8),
+	SLE_VAR(PlayerAI,banned_tile_count,	SLE_UINT8),
+	SLE_VAR(PlayerAI,railtype_to_use,		SLE_UINT8),
+
+	SLE_VAR(PlayerAI,cargo_type,				SLE_UINT8),
+	SLE_VAR(PlayerAI,num_wagons,				SLE_UINT8),
+	SLE_VAR(PlayerAI,build_kind,				SLE_UINT8),
+	SLE_VAR(PlayerAI,num_build_rec,			SLE_UINT8),
+	SLE_VAR(PlayerAI,num_loco_to_build,	SLE_UINT8),
+	SLE_VAR(PlayerAI,num_want_fullload,	SLE_UINT8),
+
+	SLE_VAR(PlayerAI,route_type_mask,		SLE_UINT8),
+
+	SLE_VAR(PlayerAI,start_tile_a,			SLE_UINT16),
+	SLE_VAR(PlayerAI,cur_tile_a,				SLE_UINT16),
+	SLE_VAR(PlayerAI,start_dir_a,				SLE_UINT8),
+	SLE_VAR(PlayerAI,cur_dir_a,					SLE_UINT8),
+
+	SLE_VAR(PlayerAI,start_tile_b,			SLE_UINT16),
+	SLE_VAR(PlayerAI,cur_tile_b,				SLE_UINT16),
+	SLE_VAR(PlayerAI,start_dir_b,				SLE_UINT8),
+	SLE_VAR(PlayerAI,cur_dir_b,					SLE_UINT8),
+
+	SLE_REF(PlayerAI,cur_veh,						REF_VEHICLE),
+
+	SLE_ARR(PlayerAI,wagon_list,				SLE_UINT16, 9),
+	SLE_ARR(PlayerAI,order_list_blocks,	SLE_UINT8, 20),
+	SLE_ARR(PlayerAI,banned_tiles,			SLE_UINT16, 16),
+
+	SLE_CONDARR(NullStruct,null,SLE_FILE_U64 | SLE_VAR_NULL, 8, 2, 255),
+	SLE_END()
+};
+
+static const byte _player_ai_build_rec_desc[] = {
+	SLE_VAR(AiBuildRec,spec_tile,			SLE_UINT16),
+	SLE_VAR(AiBuildRec,use_tile,			SLE_UINT16),
+	SLE_VAR(AiBuildRec,rand_rng,			SLE_UINT8),
+	SLE_VAR(AiBuildRec,cur_building_rule,SLE_UINT8),
+	SLE_VAR(AiBuildRec,unk6,					SLE_UINT8),
+	SLE_VAR(AiBuildRec,unk7,					SLE_UINT8),
+	SLE_VAR(AiBuildRec,buildcmd_a,		SLE_UINT8),
+	SLE_VAR(AiBuildRec,buildcmd_b,		SLE_UINT8),
+	SLE_VAR(AiBuildRec,direction,			SLE_UINT8),
+	SLE_VAR(AiBuildRec,cargo,					SLE_UINT8),
+	SLE_END()
+};
+
+static void SaveLoad_PLYR(Player *p) {
+	int i;
+
+	SlObject(p, _player_desc);
+
+	// Write AI?
+	if (!IS_HUMAN_PLAYER(p->index)) {
+		SlObject(&p->ai, _player_ai_desc);
+		for(i=0; i!=p->ai.num_build_rec; i++)
+			SlObject(&p->ai.src + i, _player_ai_build_rec_desc);
+	}
+
+	// Write economy
+	SlObject(&p->cur_economy, _player_economy_desc);
+
+	// Write old economy entries.
+	{
+		PlayerEconomyEntry *pe;
+		for(i=p->num_valid_stat_ent,pe=p->old_economy; i!=0; i--,pe++)
+			SlObject(pe, _player_economy_desc);
+	}
+}
+
+static void Save_PLYR()
+{
+	Player *p;
+	FOR_ALL_PLAYERS(p) {
+		if (p->is_active) {
+			SlSetArrayIndex(p->index);
+			SlAutolength((AutolengthProc*)SaveLoad_PLYR, p);
+		}
+	}
+}
+
+static void Load_PLYR()
+{
+	int index;
+	while ((index = SlIterateArray()) != -1) {
+		Player *p = DEREF_PLAYER(index);		
+		p->is_ai = (index != 0);
+		SaveLoad_PLYR(p);
+		_player_colors[index] = p->player_color;
+		UpdatePlayerMoney32(p);
+	}
+}
+
+const ChunkHandler _player_chunk_handlers[] = {
+	{ 'PLYR', Save_PLYR, Load_PLYR, CH_ARRAY | CH_LAST},
+};
+